Combined food preparation and warming pan



FIG. 1 is a top perspective view of a combined food preparation and warming pan showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view, the opposite side being identical hereto; and

FIG. 4 is an end elevational view thereof. 

The ornamental design for the combined food preparation and warming pan, as shown and described. 